CN101764419B - Charge indicator for electric vehicle - Google Patents

Charge indicator for electric vehicle Download PDF

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Publication number
CN101764419B
CN101764419B CN2009102611812A CN200910261181A CN101764419B CN 101764419 B CN101764419 B CN 101764419B CN 2009102611812 A CN2009102611812 A CN 2009102611812A CN 200910261181 A CN200910261181 A CN 200910261181A CN 101764419 B CN101764419 B CN 101764419B
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China
Prior art keywords
battery
charge
electric motor
motor car
charge level
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Application number
CN2009102611812A
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Chinese (zh)
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CN101764419A (en
Inventor
西村寿史
日野良一
光冈英贵
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Mitsubishi Motors Corp
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Mitsubishi Motors Corp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D7/00—Indicating measured values
    • G01D7/02—Indicating value of two or more variables simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K35/00—Arrangement of adaptations of instruments
    • B60K35/22—
    • B60K35/28—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K37/00—Dashboards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/305—Communication interfaces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/005—Testing of electric installations on transport means
    • G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
    • G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Abstract

A charge indicator for an electric vehicle (1, Figure 1) powered by driving a motor using a battery (11, Figure 1) as an output source includes a meter assembly and charge status display means. The meter assembly 18 is capable of displaying a speed 18b of the electric vehicle. The charge status display means 18c are provided on the meter assembly. The charge status display means 18c are configured to display a charge status of the battery (11) and to be set a brightness level thereof from a plurality of brightness levels. The charge status display means are configured to display the charge status of the battery at a lowest brightness level of the brightness levels when the battery (11) charging started. Optionally a chargeability display means 18d may be incorporated indicating if the batter (11) may be charged. There may be a wireless device (2, Figure 3) in wireless communication with vehicle (1) able to display the battery charge status.

Description

The charge indicator that is used for electric motor car
Technical field
The present invention relates to a kind of charge indicator for electric motor car.
Background technology
Electric motor car is by using the battery driven motor as output source that power is provided.Battery charges from the external power source such as domestic power supply by cable.For this reason, such electric motor car is equipped with the power supply unit that is used to the battery charging in the outside of for example car body.
Usually, owing to be to be under the halted state for charging battery of electric vehicle, so have no idea between charge period, to check battery charging state in electric motor car.In this article, patent documentation 1 has disclosed a kind of charge indicator for such electric motor car.Charge indicator is equipped with power supply unit, and this power supply unit has battery charging connector and is set to the openable lid of clad battery charge connector.Power supply unit is equipped with display panel, and this display panel can show the available charge level of required time and battery that charges fully.The vehicle operators of display panel permission driving electric motor car checks simply from the outside of electric motor car whether battery is being recharged or whether is being recharged fully.
[patent documentation 1] Japan Patent H09-285022 communique
But battery of electric vehicle is to utilize the AC power supplies in the charge connector that is inserted into power supply unit to charge, thereby the lid of power supply unit stays open between charge period.For this reason, adopt such as what patent documentation 1 disclosed and be arranged on display panel on the power supply unit, display panel was opened outside car body at night, and light is leaked to the surrounding environment of vehicle, may produce unwanted situation.In addition, for example, when rainy, rainwater may enter power supply unit.Thereby, need to take measures to prevent its generation by the reliability of giving security, additional structure, such as rain cape is provided.
Summary of the invention
Therefore, a favourable aspect of the present invention is to provide a kind of charge indicator for electric motor car, and this charge indicator allows to check simply the charged state of carrying battery of electric motor car when guaranteeing reliability.
According to an aspect of the present invention, provide a kind of charge indicator for electric motor car, this electric motor car uses the motor as the battery of external power source that power is provided by driving, and this charge indicator comprises:
Instrument assembly (meter assembly), this instrument assembly can show the speed of electric motor car; With
The charged state show tools, this charged state show tools is arranged on the instrument assembly, is configured to show the charged state of battery, is configured to set from a plurality of intensity levels its intensity level, and be configured to when battery begins to charge, show the charged state of battery in the minimum brightness level of intensity level.
Charge indicator may further include the charging ability show tools, and this charging ability show tools is arranged on the instrument assembly, and is constructed to show whether battery can be recharged.
Charge indicator may be constructed to so that charged state is displayed on the external equipment, and this external equipment is configured to carry out the radio communication with electric motor car.
Charge indicator can be constructed to the residue charge level that charged state comprises battery.
Charge indicator may be constructed to the charging deadline that charged state comprises expectation.
To use the motor as the battery of external power source that charge indicator power, that be used for electric motor car is provided by driving according to the charge indicator that is used for electric motor car of above-mentioned the first invention.This charge indicator comprise can display speed the instrument assembly.The instrument assembly is equipped with the charged state show tools, the charged state of battery when this charged state show tools shows vehicle operating.Charged state comprises the residue charge level of battery and the charging deadline of expectation.The brightness of horizontal show tools can be dimmed on a plurality of levels, and the charge level show tools shows the charged state of battery in minimum brightness when beginning to charge.Therefore, can be easily check between the charge period of battery that charged state to guarantee reliability, prevents that simultaneously light is leaked to surrounding environment carrying.In addition, use the charged state show tools that is arranged on the instrument assembly to show charged state.Compare with the situation that the charge level show tools that shows residue charge level or charged state is manufactured separately, this can reduce the quantity of exploitation (development) step.
In addition, comprise the charging ability show tools according to the charge indicator that is used for electric motor car of second invention, when battery was connected to external power source, this charging ability show tools showed whether battery can be recharged.Therefore, for example, when battery can not be recharged owing to the voltage that lacks external power source, the user can confirm immediately that battery can not be recharged and then take some countermeasures, thereby has improved convenience.
In addition, further comprise external equipment according to the charge indicator that is used for electric motor car of the 3rd invention, this external equipment can be communicated by letter with electric motor car, thereby this external equipment can show the charged state of battery.Thereby, can checking the charged state of battery away from the position of vehicle by external equipment, improve convenience.
Description of drawings
Fig. 1 shows that charge indicator according to an embodiment of the invention is employed the schematic block diagrams of electric motor car thereon.
Fig. 2 A is the illustrative diagram that shows the charge indicator of battery between charge period of electric motor car.
Fig. 2 B is the illustrative diagram that shows the charge indicator of battery during uncharged.
Fig. 3 is the explanatory that shows the example of suitable portable set of communicating by letter with electric motor car.
Embodiment
Now, be described more specifically with reference to the accompanying drawings according to the charge indicator for electric motor car of the present invention.
As shown in Figure 1, be employed the power supply that thereon electric motor car 1 comprises motor or is used for electric motor car 1 according to the charge indicator of present embodiment, as the battery pack 11 that is used for such as the power supply of the various electronic units of various types of lamps and air-conditioning, and be used to whole electric motor car 1 that electronically controlled electronic controller (motor vehicle electronic control unit: EV-ECU) is provided.
Battery pack 11 comprises a plurality of storage batterys 13, corresponding to the battery cell monitoring unit (CMU) 14 of each storage battery 13, and is connected to the battery management unit (battery managementunit) 12 of each battery cell monitoring unit 14 and electronic controller 12.
Storage battery 13 gathers strength to drive electric motor car 1, and each is connected to Portable Charger 16.Portable Charger 16 can be connected to external power source such as domestic power supply by cable 17.That is, by cable 17 is connected to external power source, storage battery 13 can be recharged by Portable Charger 16.
The charged state of battery cell monitoring unit 14 each self-corresponding storage battery 13 of monitoring.The charged state of the storage battery 13 that is obtained by each battery cell monitoring unit 14 is imported into battery management unit 15.
Battery management unit 15 monitoring charged states, such as based on charge rate charged state, whole battery pack 11 of each storage battery 13 of 14 inputs from the battery cell monitoring unit (charged state: SOC), and next the charged state that obtains outputed to the electronic controller 12 of describing.Based on the order from electronic controller 12, battery management unit 15 is same to be regulated from battery pack 11 and is fed to the quantity such as the energy of the electronic unit of motor or air-conditioning (not shown) that is installed in the electric motor car 1.
Even be suitable for controlling at least instrument assembly 18 and antenna 19 except above-mentioned battery management unit 15 when electric motor car is in electronic controller 12 that halted state can also move.
Instrument assembly 18 can display speed indication, charged state indication and Rechargeability.Instrument assembly 18 is suitable for regulating the shown brightness of these indications in a plurality of intensity levels.More specifically, shown in Fig. 2 A and 2B, instrument assembly 18 comprises at single mounting panel 18a, speedometer 18b, charge level instrument (charged state show tools) 18c as the charge level show tools, as the charging ability display part 18d of charging ability show tools, and dim switch 18e.By mounting panel 18a is fitted within the dashboard 1a, speedometer 18b, charge level instrument 18c, charging ability display part 18d, and dim switch 18e can integrally be installed in the electric motor car 1.
Speedometer 18b is for the part that shows the car speed of electric motor car 1 when electric motor car 1 travels.Charge level instrument 18c is the part be used to the remaining power level that shows whole battery pack 11.Shown in Fig. 2 A, the remaining power level is designed to that the quantity that appears at the joint (segments) on the liquid crystal display (LCD) shows by increasing or reducing.Shown in Fig. 2 B, charge level instrument 18c is designed to static when electric motor car 1 and storage battery 13 when not being recharged, and indication disappears.
Charging ability display part 18d is for by opening, close or glisten to show the part of the Rechargeability of whole battery pack 11.Shown in Fig. 2 B, such as charge level instrument 18c, charging ability display part 18d is designed to static when electric motor car 1 equally and storage battery 13 when not being recharged, and indication disappears.Dim switch 18e can be in the various levels of brightness level (for example, four kinds of intensity levels) (backlight) the backlight brightness of switching charge level instrument 18c.
Instrument assembly 18 is all right explicit declaration except showing service conditions, for example, and when the position of key switch at auxiliary switch ON (ACC).
In addition, antenna 19 will be from the communication of electronic controller 12 input to the portable set 2 as external equipment by radio communication, and will cross radio communication from the information exchange that portable set 2 provides by radio and output to electronic controller 12.This can make electronic controller 12 and portable set 2 communicate.
For example, as shown in Figure 3, be equipped with the portable set 2 of display screen 2a to show from the charge rate of the whole battery pack 11 of electronic controller 12 inputs at display screen 2a.Portable set 2 can be done various types of settings equally, such as by with communication setting plan riding time (scheduled boarding times) of electronic controller 12.
Now, the process of electronic controller 12 describes in the time of will being recharged storage battery 13.When detecting storage battery 13 and begun to be recharged, electronic controller 12 is at first given an order to charge level instrument 18c and charging ability display part 18d, with charge rate and the Rechargeability that shows respectively whole battery pack 11.
More specifically, controller 12 is so that charge level instrument 18c opens the backlight of liquid crystal display, and according to the quantity that controls the joint of unlatching from the charge rate of battery management unit 15 inputs.At this moment, can may brightness open the backlight of liquid crystal display in the minimum of many intensity levels of being set by dim switch 18e, and no matter brightness.
In addition, controller 12 determines whether and can charge that if determine that charging is possible, controller 12 causes that charging ability display part 18d opens the backlight of charging ability display part 18d.If determine that charging is impossible, for example, owing to lack voltage, controller 12 is so that the flash of light backlight of charging ability display part 18d.When all storage batterys were fully charged, controller 12 was given an order to charge level instrument 18c and charging ability display part 18d, thereby closed separately backlight.The user of electric motor car can visually check charge level instrument 18c and charging ability display part 18d from the outside of vehicle by window.
In addition, for example, when storage battery 13 was recharged, in response during from the requiring of portable set 2, controller 12 was implemented such as the processing that charging deadline of the charge rate of whole battery pack 11 and expectation is sent to portable set 2 by antenna 19.Even this is so that the user also can be checked through the charged state of whole battery pack 11 on away from the position of vehicle.
By implementing such processing, when battery pack 13 is recharged, the user can the charge level instrument 18c in being installed in vehicle on and portable set 2 confirm the charged state of whole battery pack 11.
According to the charge indicator that is used for electric motor car of present embodiment, above-mentioned structure allows the instrument assembly to be equipped with charge level instrument 18c, and this charge level instrument 18c is used for showing the charged state of whole battery pack 11 when charging.The situation that is arranged on outside vehicle with the charge level instrument is compared, and this configuration can more easily keep its performance and high reliability.In addition, thus charge level instrument 18c is installed in the inside of vehicle and can prevents that light is leaked to surrounding environment.
In addition, charge level instrument 18c is installed on the single mounting panel 18a, and forms the instrument assembly with speedometer 18b, thus with charge level instrument 18c as an independent unit and manufactured situation is compared, can reduce the required manpower of exploitation.In addition, charge level instrument 18c can integrally be installed in the electric motor car 1 with speedometer 18b, thereby facilitates its installment work.
In addition, the charged state of whole battery pack 11 can be displayed on the portable set 2, and this portable set can be communicated by letter with electronic controller 12.Therefore, on the position away from vehicle, can check charged state by portable set 2, thereby improve convenience.
In addition, above-described embodiment has been described charging ability display part 18d and dim switch 18e and has been arranged on example on the mounting panel 18a.But the installation site of these parts is not limited to mounting panel 18a, and they can be installed on the dashboard 1a equally.But charging ability display part 18d will be installed in can be from the position of vehicle window visual examination.
In addition, when charging, above-described embodiment explanation battery opens charging ability display part 18d, flash of light when it can not charge, and the example of when it is charged fully, closing.But the indication on the charging ability display part 18d is not only limited to them, as long as can distinguish Rechargeability by the indication on the charging ability display part 18d.
In addition, above-described embodiment has illustrated that charging ability display part 18d appears at the example on the liquid crystal display.But, the invention is not restricted to liquid crystal display, as long as it can show that charge level is just passable, and in the situation that does not deviate from scope of the present invention and essence, can make any modification to the present invention.
The present invention is applied to the charge indicator for electric motor car.
It should be noted that the present invention is not only limited to above-described embodiment, can in the situation that does not deviate from scope of the present invention and essence, do multiple modification.

Claims (2)

1. charge indicator that is used for electric motor car, this electric motor car uses the motor as the battery of output source that power is provided by driving, it is characterized in that this charge indicator comprises:
The instrument assembly, this instrument assembly can show the speed of described electric motor car; With
Remaining charge level show tools, this remnants charge level show tools is arranged on the described instrument assembly, is configured to show the remaining charge level of described battery, and is configured to set from a plurality of intensity levels the intensity level of described remaining charge level show tools; With
The charging ability show tools, this charging ability show tools is configured to when described battery is connected to the externally fed power supply, shows whether described battery can be recharged;
Wherein, this remnants charge level show tools is constructed to when described battery begins to charge, show the described remaining charge level of described battery with the minimum brightness level of described a plurality of intensity levels, and should be configured to when described battery is full of electricity, close by remnants charge level show tools.
2. charge indicator as claimed in claim 1 is characterized in that, wherein,
Described remaining charge level is displayed on the external equipment, and this external equipment is constructed to carry out the radio communication with electric motor car.
CN2009102611812A 2008-12-24 2009-12-22 Charge indicator for electric vehicle Active CN101764419B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008327053A JP4650567B2 (en) 2008-12-24 2008-12-24 Electric vehicle charging display
JP2008-327053 2008-12-24

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Publication Number Publication Date
CN101764419A CN101764419A (en) 2010-06-30
CN101764419B true CN101764419B (en) 2013-03-13

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JP (1) JP4650567B2 (en)
KR (1) KR101011624B1 (en)
CN (1) CN101764419B (en)
DE (1) DE102009060313B4 (en)
FR (1) FR2940456B1 (en)
GB (1) GB2466561B (en)

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CN101764419A (en) 2010-06-30
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